Home / 826,383.58-1,140,409.31-463,807.45

Finding the Fourth Proportional to 826,383.58, 1,140,409.31 and 463,807.45

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Solution

The fourth proportional to 826,383.58, 1,140,409.31 and 463,807.45 is: 640,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,383.58 : 1,140,409.31 = 463,807.45 : x
  2. Step 2: Convert to fraction form
    826,383.58/1,140,409.31 = 463,807.45/x
  3. Step 3: Cross multiply
    826,383.58x = 1,140,409.31 × 463,807.45
  4. Step 4: Simplify right side
    826,383.58x = 528,930,334,027.36
  5. Step 5: Solve for x
    x = 528,930,334,027.36/826,383.58
  6. Step 6: Final answer
    x = 640,054.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.